Air-insulated medium-voltage switchgear NXAIR

"Enjoy the Air" - High-end technology in best form

Worldwide, air-insulated technology has served as a basis for an established, reliable power supply for more than 100 years. The air-insulated medium-voltage switchgear NXAIR is the result of many years of experience. The NXAIR family has been launched in 1998, continously enhanced and individually adapted to the specific market requirements of the different industries and power supply companies.

Your benefit

- Saves lives

- Increases productivity

- Saves money

- Preserves the environment

- Ensures peace of mind

Product information

Air-insulated switchgear for primary distribution

NXAIR is a metal-enclosed, factory-assembled and type-tested medium voltage switchgear according to IEC 62271-200 for indoor application up to 24 kV. Loss of service continuity is category LSC 2B and partition class PM. NXAIR is internal arc classified switchgear according to IAC A FLR up to 50 kA for 1 s arc duration.

NXAIR up to 17.5 kV, up to 40 kA

NXAIR up to 17.5 kV, up to 40 kA

NXAIR air-insulated medium-voltage switchgear

NXAIR up to 17.5 kV, up to 40 kA, up to 4000 A

NXAIR medium-voltage switchgear up to 17.5 kV, up to 40 kA provides the user with a platform upon which to build a reliable electrical network.

If applied for power supply companies or different industry and offshore applications - NXAIR stands for maximum operational and personal safety, highest reliability, and operator friendliness. Thanks to its compact dimensions, minimum use of components requiring maintenance, and its simple and reliable operating mechanisms, NXAIR is real value for money, as life cycle cost calculations show.

Technical Data

Rated voltage

kV

up to

7.2

12

15

17.5

Rated frequency

Hz

50/60

50/60

50/60

50/60

Rated short-duration power-frequency withstand voltage, IEC (Gost)

kV

up to

20 (32)

28 (42)

36

38

Rated lightning impulse withstand voltage

kV

up to

60

75

95

95

Rated short-time withstand current, 3s

kA

up to

40

40

40

40

Rated peak withstand current 50 Hz / 60 Hz

kA

up to

100/104

100/104

100/104

100/104

Rated short-circuit breaking current

kA

up to

40

40

40

40

Rated short-circuit making current

kA

up to

100/104

100/104

100/104

100/104

Rated normal current of busbar

A

up to

4000

4000

4000

4000

Rated normal current of feeders

A

up to

4000

4000

4000

4000

Degree of protection - Primary part Degree of protection - Secondary part

NXAIR up to 17.5 kV, 50 kA, up to 4000 A

More and more complex network structures and increasing short-circuit power require new solutions.

NXAIR medium-voltage switchgear up to 17.5 kV for 50 kA is a proven solution for setting up and operating a reliable power distribution grid. lt is applied worldwide in the most different industries and in selected areas of power generation and distribution.

The switchgear can also be used for generator circuit-breaker applications up to 15 kV in all types of power plants by installing vacuum circuit breakers tested in accordance with IEEE C37.013. With its compact design, low maintenance requirements and uncomplicated, reliable technology, NXAIR ensures uninterrupted operation as well as a sustainable increase of productivity.

NXAIR is an investment that pays off throughout its entire life cycle.

Technical Data

Rated voltage

kV

up to

7.2

12

15

17.5

Rated frequency

Hz

50/60

50/60

50/60

50/60

Rated short-duration power-frequency withstand voltage, IEC (Gost)

kV

up to

20 (32)

28 (42)

36

38

Rated lightning impulse withstand voltage

kV

up to

60

75

95

95

Rated short-time withstand current, 3s

kA

up to

50

50

50

50

Rated peak withstand current 50 Hz / 60 Hz

kA

up to

125/130

125/130

125/130

125/130

Rated short-circuit breaking current

kA

up to

50

50

50

50

Rated short-circuit making current

kA

up to

125/130

125/130

125/130

125/130

Rated normal current of busbar

A

up to

4000

4000

4000

4000

Rated normal current of feeders

A

up to

4000

4000

4000

4000

Degree of protection - Primary part Degree of protection - Secondary part

NXAIR M, 24 kV, up to 25 kA

NXAIR M medium-voltage switchgear 24 kV up to 25 kA is the clever solution for the challenges of today and tomorrow.
Because of its voltage level, the switchgear NXAIR M is especially suitable for power supply companies, infrastructure and industrial applications.
As a modern medium-voltage switchgear, it is characterized by high reliability and profitability as well as environmental friendliness and sustainability.
With its compact design, low maintenance requirements, uncomplicated and reliable technology as well as sustainable production increase, NXAIR M is an investment that pays off.

Technical Data

Rated voltage

kV

24

Rated frequency

Hz

50/60

Rated short-duration power-frequency withstand voltage, IEC (Gost)

kV

up to

50 (65)

Rated lightning impulse withstand voltage

kV

up to

125

Rated short-time withstand current, 3s

kA

up to

25

Rated peak withstand current 50 Hz / 60 Hz

kA

up to

63/65

Rated short-circuit breaking current

kA

up to

25

Rated short-circuit making current

kA

up to

63/65

Rated normal current of busbar

A

up to

2500

Rated normal current of feeders

A

up to

2500

Degree of protection - Primary part Degree of protection - Secondary part

NXAIR success stories

Customer-oriented flexibility, high personal safety and low operation and maintenance costs – high-performance NXAIR offers all the advantages of an all-round carefree package for power distribution. Explore some of our success stories.

CEPA

El Salvador

International Airport

NXAIR, 7.2 kV: Electricity to power the new hub

Ensuring a safe and reliable power supply for the construction project

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